This investigation was designed to examine the number of errors and types of
errors by syllable position in productions of three syllable words with a speaker
with acquired apraxia of speech. Stimuli were randomly presented on three sampling
occasions and consonant productions were examined via perceptual analysis. Results
revealed a greater number of errors in the syllable final position followed
by syllable initial and medial positions respectively. The number of errors
in the syllable final position was similar across sampling times. However, errors
in the syllable initial and medial positions declined over subsequent sampling
times. The number of error types that occurred varied by syllable position.
Omission and distortion errors occurred in the syllable initial position. In
syllable medial and final positions, omission, distortion and addition errors
were found. However, in the syllable final position substitution errors also
occurred. These findings indicate the number of errors and types of errors in
AOS may differ by syllable position. The findings also suggest the type of errors
that occur may be influenced by syllable structure.